.\" Copyright 2023, Florent Revest <revest@chromium.org>
.\" Copyright 2024, Alejandro Colomar <alx@kernel.org>
.\"
.\" SPDX-License-Identifier: Linux-man-pages-copyleft
.\"
.TH PR_GET_MDWE 2const 2024-06-01 "Linux man-pages 6.9.1"
.SH NAME
PR_GET_MDWE
\-
get the Memory-Deny-Write-Execute protection mask for the calling process
.SH LIBRARY
Standard C library
.RI ( libc ", " \-lc )
.SH SYNOPSIS
.nf
.BR "#include <linux/prctl.h>" "  /* Definition of " PR_* " constants */"
.B #include <sys/prctl.h>
.P
.B int prctl(PR_GET_MDWE, 0L, 0L, 0L, 0L);
.fi
.SH DESCRIPTION
Return the Memory-Deny-Write-Execute protection mask
of the calling process.
See
.BR PR_SET_MDWE (2const)
for information on the protection mask bits.
.SH RETURN VALUE
On success,
a nonnegative value is returned.
On error, \-1 is returned, and
.I errno
is set to indicate the error.
.SH STANDARDS
Linux.
.SH HISTORY
Linux 6.3.
.\" commit b507808ebce23561d4ff8c2aa1fb949fe402bc61
.SH SEE ALSO
.BR prctl (2),
.BR PR_SET_MDWE (2const)
